PORTWORLD Blue 16GB Dragon Design USB 2.0 Flash Drive Memory Stick with Jewelry Surface Writing :3-8MB/S,Reading:5-13MB/S Compatible with Windows 2000/XP/Vista/7, MacOS 10.4 or later Easy to read and read in high speed ,No need drive/power supply only plug in. Plug & Play, Make the ideal gift for anyone who needs to move around different computers. Package: 1* 16GB usb 2.0 flash drive.